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Finding the Fourth Proportional to 18,497.58, 27,733.41 and 6,809.28

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Solution

The fourth proportional to 18,497.58, 27,733.41 and 6,809.28 is: 10,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.58 : 27,733.41 = 6,809.28 : x
  2. Step 2: Convert to fraction form
    18,497.58/27,733.41 = 6,809.28/x
  3. Step 3: Cross multiply
    18,497.58x = 27,733.41 × 6,809.28
  4. Step 4: Simplify right side
    18,497.58x = 188,844,554.04
  5. Step 5: Solve for x
    x = 188,844,554.04/18,497.58
  6. Step 6: Final answer
    x = 10,209.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.